The diffusion of 59Fe in fine-grained Mo-stabilized stainless steel was studied at 1178 to 1483K. It was found that the lattice diffusivity could be described by

D (cm2/s) = 1.18 x 10-2 exp[-228.5(kJ/mol)/RT]

R.V.Patil, B.D.Sharma: Metal Science, 1982, 16[8], 389-92